Panasonic Aquarea J Series (9 kW)

Specifications and technical data

✓ BUS eligibleAir Source (ASHP)ResidentialR329 kW

Manufacturer	Panasonic
Model	Aquarea J Series
Model code	WH-MDC09J3E5
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R32 All R32 heat pumps →
Mode	Heating & cooling
Heating capacity	9 kW
Max heating output (low temp)	7.5 kW at A-7/W35
COP (heating)	4.48 at A7/W35
SCOP (heating)	4.9 at W35
Operating range (air)	-20 to 35 °C
Heating flow temperature	20–60 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	9 kW
Cooling flow temperature	5–20 °C
EER (cooling)	2.71 at A35/W7
Dimensions (H×W×D)	865 × 1283 × 320 mm
Operational Weight	104 kg
Sound power level	59 dB(A) (Sound Power LW(A))
Price (unit only)	~£3,940 (checked 28/08/2026)
Data added	2026-07-10
Data source	Manufacturer Data Sheet
Verification	Verified by a human
Boiler Upgrade Scheme	✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.	MCS HP0086/108
MCS certification	✓ MCS listed
MCS certificate no.	MCS HP0086/108
MCS listing	View on MCS ↗

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

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Panasonic Aquarea J Series is a 9.0 kW air source heat pump, providing heating and cooling, using R32 refrigerant (model WH-MDC09J3E5).

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse
UK Supplier	Secon Renewables
UK Supplier	OceanAir

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.